Enhancing authoring, modelling and collaboration in E-learning environments: UNED research outline in the context of e-Madrid excellence network

1. Rodriguez-Artacho, M.
2. Mayorga, J.I.
3. Read, T.M.
4. Velez, J.
5. Ros, S.
6. Rodrigo, C.
7. Lorenzo, E.J.
8. Delgado, J.L.
9. Bárcena, E.
10. Castro-Gil, M.
11. Martín, S.
12. Molina, C.P.